18.
Rana sylvatica
AP
19.
Rana cascadae
AP
20.
Rana clamitans
AP
22.
Ascaphus truei
AP tectorium
23.
Xenopus laevis
AP tectorium
back to page 1 of comparative morphology
Scanning electron micrograph of the ceiling of the AP chamber of
Kassina senegalensis
, the striped running frog. The arrowhead points to the tectorial corner.
Last updated 01/22/09